Finding the Fourth Proportional to 140,513.26, 193,912.98 and 76,851.06
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Solution
The fourth proportional to 140,513.26, 193,912.98 and 76,851.06 is: 106,057.02
Step by Step Solution
- Step 1: Write the proportion equation
140,513.26 : 193,912.98 = 76,851.06 : x - Step 2: Convert to fraction form
140,513.26/193,912.98 = 76,851.06/x - Step 3: Cross multiply
140,513.26x = 193,912.98 × 76,851.06 - Step 4: Simplify right side
140,513.26x = 14,902,418,060.76 - Step 5: Solve for x
x = 14,902,418,060.76/140,513.26 - Step 6: Final answer
x = 106,057.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.